CN110865607A - Five-axis numerical control machine tool control method based on digital twinning - Google Patents
Five-axis numerical control machine tool control method based on digital twinning Download PDFInfo
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- CN110865607A CN110865607A CN201911080505.2A CN201911080505A CN110865607A CN 110865607 A CN110865607 A CN 110865607A CN 201911080505 A CN201911080505 A CN 201911080505A CN 110865607 A CN110865607 A CN 110865607A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4069—Simulating machining process on screen
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32342—Real time simulation
Abstract
The invention relates to a five-axis numerical control machine tool control method based on digital twinning, which is characterized by comprising the following steps of: the control method comprises the following steps: 1) establishing a twin virtual model similar to the physical entity; 2) establishing a digital twin model of the five-axis numerical control machine tool; 3) establishing communication between a twin virtual model and a physical five-axis numerical control machine tool in virtual simulation software; 4) establishing a twin data processing and analyzing system; 5) and the five-axis numerical control machine tool and the twin virtual model keep twin information synchronization in real time. The invention relates to a method which is scientific and reasonable, can perform real-time data synchronization between a twin virtual model and a physical five-axis numerical control machine tool, can perform simulation before machining and find a solution to a problem in time, can predict the machining effect of a product, and guides actual engineering operation; and in the machining process, the machining state can be monitored in real time and visually displayed, the problems of the machining link can be found and corrected in time, and the machining efficiency is improved.
Description
Technical Field
The invention belongs to the field of automation of industrial equipment, relates to digital twin real-time operation control, monitoring and analysis of a five-axis numerical control machine tool, and particularly relates to a control method based on a digital twin five-axis numerical control machine tool.
Background
With the development of the information age, digital twin technology has become one of the methods for realizing intelligent manufacturing. The digital twin is to create a virtual model of a physical entity in an information space in a digital manner and simulate the behavior of the physical entity in a real environment by using data. The existing numerical control machine tool control methods based on digital twins are few, and most of the existing numerical control machine tool control methods are digital twins modeling methods of numerical control machine tools.
Through the search of the published patent documents, a published patent document similar to the patent application is found:
the patent name of the comparison document is a control method of a digital twin-based two-axis X-Y leather product cutting machine, and the publication number is CN 109471377A. The comparison document mainly solves the problem of how to realize the digital twinning technology on a two-axis X-Y leather product cutting machine, and the control method comprises the following steps: five-dimensional structural model of digital twinning system: physical entities, virtual software, management systems, twin data and connections, and the specific form of the five-dimensional structural model.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a five-axis numerical control machine tool control method based on digital twinning, which is used for solving the problems of real-time drive control, monitoring and maintenance of the five-axis numerical control machine tool.
The technical problem to be solved by the invention is realized by the following technical scheme:
a five-axis numerical control machine tool control method based on digital twinning is characterized in that: the control method comprises the following steps:
1) establishing a twin virtual model similar to the physical entity: establishing twin virtual models similar to physical entities on 3D software such as SW, 3DMAX, PRO/E and the like, wherein the twin virtual models are consistent in structure and model, and comprise a mechanical model, a control model, a quality model, a geometric model and an information model;
2) establishing a digital twin model of a five-axis numerical control machine tool: the method comprises the steps of (1) importing a twin virtual model established in the step 1) into Flexsim, ProModel, Witness and visual components virtual simulation software, defining the visual display of kinematics, dynamics and monitoring data which correspond to a five-axis numerical control machine tool one by one, wherein the visual display of the kinematics, dynamics and monitoring data can be consistent with the real-time state of the five-axis numerical control machine tool, and the visual display of various actions, data, processing state changes and data is realized by defining the built-in functions of the Python and C # script editing and driving virtual simulation software;
3) establishing communication between a twin virtual model and a physical five-axis numerical control machine tool in virtual simulation software: the sensor device on the five-axis numerical control machine tool is connected with a numerical control system through different interfaces, then the data collected by the numerical control system is sent to a twin virtual model in virtual simulation software based on a Socket UDP protocol, the data communication of the twin virtual model is that a data receiving interface is established through the Socket UDP, a data feedback interface is established through a Modbus TCP/IP, and a compiled data processing script is used for driving the data feedback, the processing control and the display of various monitoring data of the twin virtual model of the five-axis numerical control machine tool in real time;
4) establishing a twin data processing and analyzing system: step 3), carrying out real-time analysis and feedback on signals sent by the numerical control system by using a machine tool information management system developed based on Web, and being used for maintaining faults of the five-axis numerical control machine tool in time and analyzing the machining condition, changing and recording information generated by data debugged in the five-axis numerical control machine tool, and sending and storing the information to the cloud based on an OPC UA protocol in an XML format;
5) the five-axis numerical control machine tool and the twin virtual model keep twin information synchronization in real time: twin information synchronization is carried out through remote transmission of a local area network or the Internet, and if twin simulation is carried out on site, the local area network can be built; if the remote control is realized, the remote control can be realized through the Internet.
The invention has the advantages and beneficial effects that:
1. the five-axis numerical control machine tool control method based on the digital twin can carry out machining simulation in virtual simulation software before actual machining and find a scheme for solving problems in time, can predict the machining effect of a product and guides actual engineering operation.
2. The five-axis numerical control machine tool control method based on the digital twin can monitor the machining state in real time and visually display the machining state in the machining process, find and correct the problems of the machining link in time and improve the machining efficiency.
Drawings
FIG. 1 is a twin virtual model diagram of a five-axis numerical control machine tool;
fig. 2 is a schematic diagram of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
A five-axis numerical control machine tool control method based on digital twinning is characterized in that: the control method comprises the following steps:
1) establishing a twin virtual model similar to the physical entity: establishing twin virtual models similar to physical entities on 3D software such as SW, 3DMAX, PRO/E and the like, wherein the twin virtual models are consistent in structure and model, and comprise a mechanical model, a control model, a quality model, a geometric model and an information model;
2) establishing a digital twin model of a five-axis numerical control machine tool: the method comprises the steps of (1) importing a twin virtual model established in the step 1) into Flexsim, ProModel, Witness and visual components virtual simulation software, defining the visual display of kinematics, dynamics and monitoring data which correspond to a five-axis numerical control machine tool one by one, wherein the visual display of the kinematics, dynamics and monitoring data can be consistent with the real-time state of the five-axis numerical control machine tool, and the visual display of various actions, data, processing state changes and data is realized by defining the built-in functions of the Python and C # script editing and driving virtual simulation software;
3) establishing communication between a twin virtual model and a physical five-axis numerical control machine tool in virtual simulation software: the sensor device on the five-axis numerical control machine tool is connected with a numerical control system through different interfaces, then the data collected by the numerical control system is sent to a twin virtual model in virtual simulation software based on a Socket UDP protocol, the data communication of the twin virtual model is that a data receiving interface is established through the Socket UDP, a data feedback interface is established through a Modbus TCP/IP, and a compiled data processing script is used for driving the data feedback, the processing control and the display of various monitoring data of the twin virtual model of the five-axis numerical control machine tool in real time;
4) establishing a twin data processing and analyzing system: step 3), carrying out real-time analysis and feedback on signals sent by the numerical control system by using a machine tool information management system developed based on Web, and being used for maintaining faults of the five-axis numerical control machine tool in time and analyzing the machining condition, changing and recording information generated by data debugged in the five-axis numerical control machine tool, and sending and storing the information to the cloud based on an OPC UA protocol in an XML format; if the problems occur in the machining process, the computer can be directly sent to a numerical control system of an actual five-axis numerical control machine tool through a TCP/IP protocol, and because the computer is a twin model of a virtual five-axis numerical control machine tool established based on digital twin, machining simulation operation in simulation software can be consistent with the actual five-axis numerical control machine tool, so that the problems occurring in the machining process can be corrected in time. If the five-axis numerical control machine tool has a fault, the local operator performs actual operation and maintenance, and after the operator finishes updating the actual five-axis numerical control machine tool, the updated information is transmitted to the virtual five-axis numerical control machine tool to perform real-time updating of twin data;
5) the five-axis numerical control machine tool and the twin virtual model keep twin information synchronization in real time: twin information synchronization is carried out through remote transmission of a local area network or the Internet, and if twin simulation is carried out on site, the local area network can be built; if the remote control is realized, the remote control can be realized through the Internet.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (1)
1. A five-axis numerical control machine tool control method based on digital twinning is characterized in that: the control method comprises the following steps:
1) establishing a twin virtual model similar to the physical entity: establishing twin virtual models similar to physical entities on 3D software such as SW, 3DMAX, PRO/E and the like, wherein the twin virtual models are consistent in structure and model, and comprise a mechanical model, a control model, a quality model, a geometric model and an information model;
2) establishing a digital twin model of a five-axis numerical control machine tool: the method comprises the steps of (1) importing a twin virtual model established in the step 1) into Flexsim, ProModel, Witness and visual components virtual simulation software, defining the visual display of kinematics, dynamics and monitoring data which correspond to a five-axis numerical control machine tool one by one, wherein the visual display of the kinematics, dynamics and monitoring data can be consistent with the real-time state of the five-axis numerical control machine tool, and the visual display of various actions, data, processing state changes and data is realized by defining the built-in functions of the Python and C # script editing and driving virtual simulation software;
3) establishing communication between a twin virtual model and a physical five-axis numerical control machine tool in virtual simulation software: the sensor device on the five-axis numerical control machine tool is connected with a numerical control system through different interfaces, then the data collected by the numerical control system is sent to a twin virtual model in virtual simulation software based on a SocketUDP protocol, the data communication of the twin virtual model is to establish a data receiving interface through the SocketUDP, a Modbus TCP/IP establishes a data feedback interface, and a compiled data processing script is used for driving the data feedback, the processing control and the display of various monitoring data of the twin virtual model of the five-axis numerical control machine tool in real time;
4) establishing a twin data processing and analyzing system: step 3), carrying out real-time analysis and feedback on signals sent by the numerical control system by using a machine tool information management system developed based on Web, and being used for maintaining faults of the five-axis numerical control machine tool in time and analyzing the machining condition, changing and recording information generated by data debugged in the five-axis numerical control machine tool, and sending and storing the information to the cloud based on an OPCUA protocol in an XML format;
5) the five-axis numerical control machine tool and the twin virtual model keep twin information synchronization in real time: twin information synchronization is carried out through remote transmission of a local area network or the Internet, and if twin simulation is carried out on site, the local area network can be built; if the remote control is realized, the remote control can be realized through the Internet.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111565123A (en) * | 2020-05-07 | 2020-08-21 | 联桥网云信息科技（长沙）有限公司 | Real-time representation visualization method for 3D model of running state of Internet of things equipment |
| CN111880476A (en) * | 2020-06-29 | 2020-11-03 | 长沙长泰机器人有限公司 | Digital twin system of machine tool |
| CN111897239A (en) * | 2020-08-04 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Bidirectional digital analog real-time simulation system and simulation method |
| CN112526334A (en) * | 2020-11-17 | 2021-03-19 | 国网上海市电力公司 | Method and device for detecting state of direct current power transmission and distribution isolating switch based on digital twin system |
| CN112783091A (en) * | 2020-12-30 | 2021-05-11 | 湖南中南智能装备有限公司 | Industrial Internet digital twin-based numerical control machine tool monitoring method |
| CN112859739A (en) * | 2021-01-15 | 2021-05-28 | 天津商业大学 | Digital twin-driven multi-axis numerical control machine tool contour error suppression method |
| CN112904805A (en) * | 2021-01-15 | 2021-06-04 | 天津商业大学 | Digital twin modeling and virtual-real synchronization method for multi-axis numerical control machine tool |
| CN113031549A (en) * | 2021-03-04 | 2021-06-25 | 常州信息职业技术学院 | Industrial internet intelligent manufacturing solution and system based on digital twin |
| CN113093652A (en) * | 2021-04-21 | 2021-07-09 | 徐海 | Circuit monitoring method for numerical control machine tool |
| CN113189892A (en) * | 2021-03-29 | 2021-07-30 | 湖南中南智能装备有限公司 | Digital twin data bidirectional interaction method |
| CN113534760A (en) * | 2021-08-02 | 2021-10-22 | 上海奇梦网络科技有限公司 | Manufacturing industry factory management system based on digital twin platform |
| CN113538865A (en) * | 2021-06-18 | 2021-10-22 | 意特利（上海）科技有限公司 | Five-axis linkage machine tool online diagnosis early warning system and method based on digital twinning |
| CN114918927A (en) * | 2022-07-22 | 2022-08-19 | 南京励业智能科技有限公司 | Industrial digital twin simulation operation and maintenance system and method |
| CN115576267A (en) * | 2022-11-07 | 2023-01-06 | 河北工业大学 | Hub machining dimension error correction method based on digital twinning |
| CN116300691A (en) * | 2023-05-25 | 2023-06-23 | 深圳市正和楚基科技有限公司 | State monitoring method and system for multi-axis linkage numerical control machining |
| CN116643534A (en) * | 2023-06-02 | 2023-08-25 | 宣城市建林机械有限公司 | Numerical control machine tool dynamic monitoring system based on twin technology |
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| CN111565123B (en) * | 2020-05-07 | 2022-10-04 | 联桥网云信息科技（长沙）有限公司 | Real-time representation visualization method for 3D model of running state of Internet of things equipment |
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| CN111880476A (en) * | 2020-06-29 | 2020-11-03 | 长沙长泰机器人有限公司 | Digital twin system of machine tool |
| CN111897239A (en) * | 2020-08-04 | 2020-11-06 | 中国铁建重工集团股份有限公司 | Bidirectional digital analog real-time simulation system and simulation method |
| CN112526334A (en) * | 2020-11-17 | 2021-03-19 | 国网上海市电力公司 | Method and device for detecting state of direct current power transmission and distribution isolating switch based on digital twin system |
| CN112783091A (en) * | 2020-12-30 | 2021-05-11 | 湖南中南智能装备有限公司 | Industrial Internet digital twin-based numerical control machine tool monitoring method |
| CN112859739A (en) * | 2021-01-15 | 2021-05-28 | 天津商业大学 | Digital twin-driven multi-axis numerical control machine tool contour error suppression method |
| CN112904805A (en) * | 2021-01-15 | 2021-06-04 | 天津商业大学 | Digital twin modeling and virtual-real synchronization method for multi-axis numerical control machine tool |
| CN112859739B (en) * | 2021-01-15 | 2022-07-01 | 天津商业大学 | Digital twin-driven multi-axis numerical control machine tool contour error suppression method |
| CN112904805B (en) * | 2021-01-15 | 2022-07-01 | 天津商业大学 | Digital twin modeling and virtual-real synchronization method for multi-axis numerical control machine tool |
| CN113031549A (en) * | 2021-03-04 | 2021-06-25 | 常州信息职业技术学院 | Industrial internet intelligent manufacturing solution and system based on digital twin |
| CN113189892A (en) * | 2021-03-29 | 2021-07-30 | 湖南中南智能装备有限公司 | Digital twin data bidirectional interaction method |
| CN113093652A (en) * | 2021-04-21 | 2021-07-09 | 徐海 | Circuit monitoring method for numerical control machine tool |
| CN113538865A (en) * | 2021-06-18 | 2021-10-22 | 意特利（上海）科技有限公司 | Five-axis linkage machine tool online diagnosis early warning system and method based on digital twinning |
| CN113534760A (en) * | 2021-08-02 | 2021-10-22 | 上海奇梦网络科技有限公司 | Manufacturing industry factory management system based on digital twin platform |
| CN114918927A (en) * | 2022-07-22 | 2022-08-19 | 南京励业智能科技有限公司 | Industrial digital twin simulation operation and maintenance system and method |
| CN115576267A (en) * | 2022-11-07 | 2023-01-06 | 河北工业大学 | Hub machining dimension error correction method based on digital twinning |
| CN116300691A (en) * | 2023-05-25 | 2023-06-23 | 深圳市正和楚基科技有限公司 | State monitoring method and system for multi-axis linkage numerical control machining |
| CN116300691B (en) * | 2023-05-25 | 2023-08-04 | 深圳市正和楚基科技有限公司 | State monitoring method and system for multi-axis linkage numerical control machining |
| CN116643534A (en) * | 2023-06-02 | 2023-08-25 | 宣城市建林机械有限公司 | Numerical control machine tool dynamic monitoring system based on twin technology |
| CN116643534B (en) * | 2023-06-02 | 2023-11-24 | 宣城市建林机械有限公司 | Numerical control machine tool dynamic monitoring system based on twin technology |
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Application publication date: 20200306 |